Battery Charging Problem ***UPDATE***
While dry camping in freezing weather, the charging system died for the dual type 24 house batteries (2002 Winnebago Mini). It appears to be a solenoid system. It failed two years ago and the RV s...
Forum Discussion
The solenoid is a kind of battery isolator. The system is quite simple conceptually: there's a relay (the solenoid) that connects a wire between the two batteries when the engine is running. Often this is done simply by powering the solenoid from a run circuit on the vehicle, similar to other accessories like the windshield wipers. If you can find the solenoid (which is occasionally a bit hidden), it shouldnt' be too hard of a task to sort out where the fault is: whether the solenoid itself is bad, or a connection to it, or a wire or fuse or something similar.
